Home / 10,001.40-14,997.78-4,154.01

Finding the Fourth Proportional to 10,001.40, 14,997.78 and 4,154.01

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Solution

The fourth proportional to 10,001.40, 14,997.78 and 4,154.01 is: 6,229.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.40 : 14,997.78 = 4,154.01 : x
  2. Step 2: Convert to fraction form
    10,001.40/14,997.78 = 4,154.01/x
  3. Step 3: Cross multiply
    10,001.40x = 14,997.78 × 4,154.01
  4. Step 4: Simplify right side
    10,001.40x = 62,300,928.10
  5. Step 5: Solve for x
    x = 62,300,928.10/10,001.40
  6. Step 6: Final answer
    x = 6,229.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.